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RS232 to RS485 Data Communication Adapter  Brand New Necessary for PC Based CCTV DVR Systems to Control Pan and Tilt Cameras. This adapter is used to control Pan Tilt and Zoom functions for PTZ decoder boxes and PTZ cameras. Connects to the PC Serial port. No external power required for the converter.
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Compatible ELA/TLA RS-232C and RS-485 Standard -
Speed 0-115.2Kbps at 32 end -
Range : 1.2 mile (RS-485) 5 meters(RS-232) -
Operating Environment: -50C to 70C Balance 5% to 95% -
Interface converters Opto isolation products Line drivers Repeaters & boosters -
Lighting & surge protectors
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